Prepare for msm8226, move 8960 specific to family trees

Update rootfs from caf

Change-Id: I4d40df9ccf2f4b34618c72820f684b9f12830b9a
extract-files: Add build barrier fix for extract apks

Change-Id: Ia4312d712ca7ccf259f71f34d0a52d351ae72e94
Move legacy alsa define to familes

Change-Id: I727f14d852babbc1db74772de31c40c9a908d3ea